make image resource URLs relative so they work in offline docs

Change-Id: I4329689d8a3db3ce67f1aa7084a3a4634721e3cb
diff --git a/tools/droiddoc/templates-sdk-refonly/assets/css/default.css b/tools/droiddoc/templates-sdk-refonly/assets/css/default.css
index 7989183..106ab2f 100644
--- a/tools/droiddoc/templates-sdk-refonly/assets/css/default.css
+++ b/tools/droiddoc/templates-sdk-refonly/assets/css/default.css
@@ -2628,6 +2628,20 @@
   margin-bottom:0;
 }
 
+.summary-table {
+  background-color:#e1e4e6;
+  padding:1em;
+  margin-bottom:1.5em;
+}
+.summary-table p {
+  font-size:.98em;
+}
+
+.summary-table h5 {
+  line-height:1em;
+  font-size:.98em;
+}
+
 body.about blockquote {
   display:block;
   float:right;
@@ -8501,12 +8515,12 @@
 $spritesheet: width height image $spritesheet-sprites;
 */
 .dac-sprite, #tb li:before, #qv li:before {
-  background-image: url(/assets/images/sprite.png);
+  background-image: url(../../assets/images/sprite.png);
   display: inline-block;
   vertical-align: middle; }
   @media screen and (min-device-pixel-ratio: 1.5) {
     .dac-sprite, #tb li:before, #qv li:before {
-      background-image: url(/assets/images/sprite-2x.png);
+      background-image: url(../../assets/images/sprite-2x.png);
       background-size: 50% 50%; } }
 
 .dac-sprite.dac-auto-chevron {
diff --git a/tools/droiddoc/templates-sdk/assets/css/default.css b/tools/droiddoc/templates-sdk/assets/css/default.css
index ccd6203..106ab2f 100644
--- a/tools/droiddoc/templates-sdk/assets/css/default.css
+++ b/tools/droiddoc/templates-sdk/assets/css/default.css
@@ -8515,12 +8515,12 @@
 $spritesheet: width height image $spritesheet-sprites;
 */
 .dac-sprite, #tb li:before, #qv li:before {
-  background-image: url(/assets/images/sprite.png);
+  background-image: url(../../assets/images/sprite.png);
   display: inline-block;
   vertical-align: middle; }
   @media screen and (min-device-pixel-ratio: 1.5) {
     .dac-sprite, #tb li:before, #qv li:before {
-      background-image: url(/assets/images/sprite-2x.png);
+      background-image: url(../../assets/images/sprite-2x.png);
       background-size: 50% 50%; } }
 
 .dac-sprite.dac-auto-chevron {